Formby Bay Weather Forecast
- 11
- 20
Cloudy
- 13
- 19
Possible shower
- 12
- 18
Showers easing
- 11
- 18
Showers
- 11
- 19
Shower or two
- 12
- 19
Shower or two
- 12
- 19
Possible shower
Today 22 May Yorke Peninsula
Cloudy. Slight chance of a shower in the south, near zero chance elsewhere. Winds northerly 15 to 20 km/h becoming light in the late afternoon.
Central Coastal Waters
- Wind
- Northerly 10 to 15 knots, reaching up to 20 knots in the west during the afternoon and evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres in the west.
- 1st Swell
- Southwesterly 2 metres.
- Weather
- Cloudy.
- Weather Situation
- A high pressure ridge over the east will begin to weaken as a cold enters the west of the SA early Saturday. This front is expected to reach eastern districts later on Sunday with an associated low pressure system developing off the southern coasts. The low is expected to move across the southeast on Monday then eastwards into NSW by Tuesday with a trough lingering across the south of SA.
Formby Bay Temperature Statistics View More
May Temperature
Stenhouse Bay (24km)
Lowest 21 May, 2026
10.7 °CAverage May
16.1 °CHighest 1 May, 2026
28.9 °C
Climate (2021–Present)
Stenhouse Bay (24km)
Average Low 2021–2026
13.1 °CAverage 2021–2026
16.1 °CAverage High 2021–2026
20.5 °C